About the Authors

Chang Sun

Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

Catherine Southard

Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

David B. Witonsky

Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

Ralf Kittler

Current address: McDermott Center for Human Growth and Development, The University of Texas Southwestern Medical Center at Dallas, Dallas, Texas, United States of America

Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

Anna Di Rienzo

dirienzo@bsd.uchicago.edu

Affiliation Department of Human Genetics, University of Chicago, Chicago, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: C Sun, R Kittler, A Di Rienzo. Performed the experiments: C Sun, C Southard. Analyzed the data: C Sun, DB Witonsky, R Kittler, A Di Rienzo. Wrote the paper: C Sun, R Kittler, A Di Rienzo.